Ethyl 2-(difluoromethyl)-4-methyl-5-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 2-(difluoromethyl)-3-methyl-6-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 2-(difluoromethyl)-3-methyl-5-(trifluoromethoxy)pyridine-4-carboxylate
4-(2-Bromo-4-methoxybenzoyl)pyridine